Site & solar
A high-voltage production site with heavy motive power, a 350 kWp rooftop and on-site EV chargers. Hourly balance of consumption, production, grid import and export.
High-voltage connection
Connection and contracted capacity
- Voltage
- 10 kV
- Transformer
- 630 kVA
- Contracted
- 480 kW
- Monthly peak
- 446 kW
Peak on 22 May at 07:00: machines starting while 104 kW of EV charging was running. It costs € 2,451 this month.
Solar
350 kWp rooftop · 4 inverters
Produced
48.0 MWh
137 kWh per kWp
Self-consumed
83%
8.1 MWh exported
Avoided purchases
€ 4,003
at the all-in grid price
Export revenue
€ 200
day-ahead minus fee
Energy balance
Site consumption, including EV charging
Consumption
121.8 MWh
Grid import
81.8 MWh
Self-sufficiency
33%
covered by own solar
All-in import price
€ 0.130
per kWh · day-ahead avg € 74/MWh
Typical days
Pick a day: how load, solar and the market price line up hour by hour
Mon 4 May · sunny · imported 3,487 kWh · exported 0 kWh
- Base load (IT, cooling, standby)
- Compressed air
- HVAC & lighting
- Motive power (presses, CNC)
- EV charging
- Solar production
- Day-ahead price (€/MWh, right axis)
Electricity bill
Site electricity bill for the month, before allocating office charging to the fleet
| Energy (day-ahead + supplier margin) | € 7,928 |
| Network costs | € 1,554 |
| Levies & excise | € 1,145 |
| Capacity charge (monthly peak) | € 2,451 |
| Fixed fees | € 320 |
| Export revenue | − € 200 |
| Total | € 13,198 |
| of which office charging, allocated to the fleet | € 318 |
Consumption by use
Motive power (drijfkracht) dominates: presses, CNC machines and conveyors
- Motive power (presses, CNC)57.8 MWh · 47%
- Base load (IT, cooling, standby)38.7 MWh · 32%
- Compressed air14.2 MWh · 12%
- HVAC & lighting8.8 MWh · 7%
- EV charging2.3 MWh · 2%
Tariffs used (illustrative): network € 19/MWh, levies € 14/MWh, capacity charge € 5.5/kW per month, supplier margin € 11/MWh.